Honeycomb Surface Panel Load Distribution
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Solution Overview
Problem
Existing surface panels used to form planar arrays for temporary decking or hard standing are prone to collapse under heavy loads due to internal cavities, leading to structural failure and inability to support the load.
Innovation Solution
A surface panel design featuring two planar members connected by a plurality of mutually parallel tubular cells in a hexagonal configuration, with ribs on the planar members to enhance strength and resilience, allowing for a thinner panel structure without compromising load-bearing capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If panels are constructed with large open cavities to reduce weight and material usage, then material cost and panel weight are reduced, but the panels collapse under heavy loads causing structural failure
Solution Approach 1:
The panel is segmented into multiple closed cells arranged in a honeycomb pattern rather than using large open cavities. This segmentation distributes loads across multiple smaller structural units, preventing collapse while using less material than solid construction.
Solution Approach 2:
The panel combines the honeycomb core structure with facings (skin layers) to create a composite material system. This composite structure provides high strength-to-weight ratio, enabling the panel to support heavy loads while minimizing material usage.
2Strength
If panel thickness is increased to improve load-bearing capacity, then strength and stability are improved, but material cost and weight increase
Solution Approach 1:
The panel uses thin facing sheets (skin layers) that are strengthened by the underlying honeycomb core structure. The thin facings would normally be weak, but the honeycomb core provides structural support, enabling the use of thinner materials while maintaining strength.
Solution Approach 2:
The honeycomb core structure adds a third dimension of strength through its vertical cell walls, allowing the panel to achieve high load-bearing capacity without increasing the planar dimensions or overall thickness excessively.
3Strength
If solid panel construction is used to prevent collapse under heavy loads, then load-bearing capacity is improved, but material cost and weight increase significantly
Solution Approach 1:
The panel uses a porous honeycomb structure that provides structural strength through its geometry rather than solid material filling. The porous core with closed cells maintains load-bearing capacity while dramatically reducing material usage compared to solid construction.
Solution Approach 2:
The combination of thin facings and honeycomb core creates a composite structure where each component contributes different properties: the facings provide surface strength and the core provides structural rigidity and load distribution, achieving high strength with low material usage.
Data Source
AI summary
A surface panel is disclosed, the panel comprising two planar members in parallel spaced arrangement and being joined together by a plurality of mutually parallel tubular cells. Each tubular cell defines with the planar members an isolated cell volume. A tubular cell wall can be contiguously arranged with a neighbouring cell and also share a dividing wall with said cell.Preferably a tubular cell has a hexagonal shape with the cells forming a honeycomb array. A planar member optionally comprises a surface which further comprises a plurality of ribs arranged in a hexagonal configuration, with the diameter of each said hexagonal tubular cell being larger than the diameter of each said hexagonal rib configuration of said first planar member.